body{
    width: 100%;
}
#app{
    width: 100%;
    height: 90px;
    background: url(../images-work01/nav-bg.png) repeat-x left top;
    border-bottom: 10px solid #ed1d24;
}
.nav{
    width: 1200px;
    height: 90px;
    margin: 0 auto;
}
.nav>li{
    margin: 0;
    float: left;
    width: 130px;
    height: 90px;
    position: relative;
}
.nav>li:hover{
    background: url(../images-work01/nav.png) no-repeat center top;
}
.nav>li:hover span{
    color: #ffcf32;
}
.nav>li>a{
    display: block;
    color: #ffffff;
    text-align: center;
    height: 50px;
    margin: 20px 0;
    font-size: 20px;
    font-weight: 600;
    border-left: 1px solid #ffffff;
    border-right: 1px solid #ffffff;
}
.nav span{
    display: block;
    text-align: center;
    font-size: 14px;
    font-weight: 100;
}
.subnav{
    width: 130px;
    position: absolute;
    top: 90px;
    background: #ed1d24;
}
.subnav:hover{
    display: block;
}
.subnav>li{
    width: 130px;
    height: 30px;
    text-align: center;
}
.subnav>li:hover,.subnav>li>a:hover{
    background-color: #c51b20ce;
}
.subnav>li>a{
    color: #ffffff;
    font-size: 14px;
    line-height: 30px;
}